Home / 891,299.79-1,229,988.11-483,411.33

Finding the Fourth Proportional to 891,299.79, 1,229,988.11 and 483,411.33

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Solution

The fourth proportional to 891,299.79, 1,229,988.11 and 483,411.33 is: 667,104.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,299.79 : 1,229,988.11 = 483,411.33 : x
  2. Step 2: Convert to fraction form
    891,299.79/1,229,988.11 = 483,411.33/x
  3. Step 3: Cross multiply
    891,299.79x = 1,229,988.11 × 483,411.33
  4. Step 4: Simplify right side
    891,299.79x = 594,590,185,722.23
  5. Step 5: Solve for x
    x = 594,590,185,722.23/891,299.79
  6. Step 6: Final answer
    x = 667,104.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.